docstr: Helper superclass for :class:`BaseDataChunk`
  
  Parameters
  ----------
  d: pd.DataFrame, or None
      Raw data representing the initial state of the data to be handled by this chunk
docstr_tok: ["Helper","superclass","for",":","class",":","`","BaseDataChunk","`","Parameters","--","--","--","--","--","d",":","pd.DataFrame",",","or","None","Raw","data","representing","the","initial","state","of","the","data","to","be","handled","by","this","chunk"]
code: def __init__(self, d: OptionalDF):
      """Helper superclass for :class:`BaseDataChunk`
  
      Parameters
      ----------
      d: pd.DataFrame, or None
          Raw data representing the initial state of the data to be handled by this chunk
      """
      self.d: OptionalDF = d
      self.run: OptionalDF = None
      self.fold: OptionalDF = None
      self.rep: OptionalDF = None
      self.final: OptionalDF = None
  
imports: import pandas
  from typing import List, Optional
label_desc: Use image node_id 1 to create a new _BaseDataChunk object from inherited base classes: BaseDataCore with example: obj = _BaseDataChunk(d)